$def with(content)
<!DOCTYPE HTML>
<html lang="en-US">
<head>
	<meta charset="UTF-8">
	<title>Pixiv 采集器</title>
	<link rel="stylesheet" type="text/css" href="/static/css/style.css" />
	<link rel="stylesheet" type="text/css" href="/static/css/bootstrap.css" />
</head>
<body>
	<section id="sidebar">
		<h1><img src="/static/images/logo.png" alt="CGTaste" title="CGTaste"/></h1>
		<nav>
			<ul>
				<li><a href="/"
				$if content.nav == 'index': 
				    class="current"
				>画师/作品信息</a></li>
				<li><a href="/add_member"
				$if content.nav == 'add_member': 
				    class="current"
				>添加画师</a></li>
				<li id="search">
					<form action="info.php" method="get">
						<input type="text" name="keywords" placeholder="输入画师ID号或画师名称搜索"/>
					</form>
				<li>
			</ul>
		</nav>
	</section>
	$:content
</body>
</html>